Casio Algebra FX 2.0 PLUS User Manual page 114

Example 1 To graph the solution of first order differential equations with two
unknowns below.
y
( )n= (
1
Use the following V-Window settings.
Xmin = –3,
Ymin = –2,
Procedure
1 m DIFF EQ
2 4(SYS)
3 2(2)
yn
)cw
4 3(
yn
)b+svw
-3(
5 aw
bw
a.bw
6 5(SET)b(Param)
7 -cw
fw
1
8 a.bw* i
* 1
Result Screen
3-5-2
System of First Order Differential Equations
y y y x
), ( )n = – ( ) + sin
2 2 1
Xmax = 6,
Ymax = 2,
20010101
x y y
, = 0, ( ) = 1, ( ) = 0.1, –2 <
0 1 0 2 0
Xscale = 1
Yscale = 1
9 5(SET)c(Output)4(INIT)
cc1( SEL)
y
( Select ( ) and (
1
i
0 !K(V-Window)
-dw
gw
bwc
-cw
cw
bwi
! 6(CALC)
*
2
x h
< 5, = 0.1.
y
) to graph)* 2
2